If the sum of the slopes of the lines given by \[{{x}^{2}}-2cxy-7{{y}^{2}}=0\] is four times their product, then c has the value [AIEEE 2004]

If the sum of the slopes of the lines given by \[{{x}^{2}}-2cxy-7{{y}^

1.	If the sum of the slopes of the lines given by \[{{x}^{2}}-2cxy-7{{y}^{2}}=0\] is four times their product, then c has the value [AIEEE 2004]
A.	- 2
B.	- 1
C.	2
D.	1
Answer» D. 1

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If the sum of the slopes of the lines given by \[{{x}^{2}}-2cxy-7{{y}^{2}}=0\] is four times their product, then c has the value [AIEEE 2004]

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